Hempcrete as a substrate for fungal growth under high humidity and variable temperature conditions

Chau, Kenneth J.; Fleck, R.; Irga, Peter J.; Torpy, Fraser R.; Wilkinson, Sara; Castel, Arnaud

doi:10.1016/j.conbuildmat.2023.132373

Cited by 1 publication

(1 citation statement)

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“…The continual carbonation of lime contributes to its distinctive capacity to repair micro-cracks, hence, enhancing its ability to maintain airtightness. Additionally, the ability of hempcrete to absorb and release moisture without compromising its mechanical qualities is of significant importance in maintaining an optimal indoor humidity level, which contributes to the comfort and well-being of the occupants [151,152].…”

Section: Durabilitymentioning

confidence: 99%

State of the Art Review of Attributes and Mechanical Properties of Hempcrete

Asghari,

Memari

2024

Biomass

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The global surge in environmental pollution, largely attributed to industrialization, has fueled a pressing need for sustainable solutions. In response, the construction sector is increasingly focusing on bio-based materials such as hemp, recognized for its low environmental footprint and prominent carbon-negative quality. As designers, housebuilders, and an environmentally conscious society pivot towards ecological alternatives to standard building materials, hempcrete emerges as a promising candidate. As a composite material mainly made from hemp hurd/shiv, water, and lime, hempcrete offers the ability to sequester carbon long after its incorporation into structures. As a result, the hemp cultivation process—which can be completed within less than four months—ensures that more carbon is absorbed during production and deployment than emitted, e.g., per one study, sequestration on the order of 300 kg of CO2 per m3 of hempcrete. In comparison to concrete, hempcrete offers a more sustainable footprint, given its recyclability post life cycle. This state-of-the-art review paper delves deep into different aspects of hempcrete, summarizing its multifaceted attributes, particularly its compressive strength. Based on the study conducted, the paper also suggests strategies to augment this strength, thereby transitioning hempcrete from a non-load-bearing material to one capable of shouldering significant weight. As architects and designers consistently strive to align their projects with high ecological standards, focusing not just on aesthetic appeal but also environmental compatibility, hempcrete becomes an increasingly fitting solution for the future of construction.

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Section: Durabilitymentioning

confidence: 99%